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Handle negative viewport coordinates

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This commit is contained in:
Andy Adshead 2019-01-23 04:40:57 +00:00
parent 1af6c31dc0
commit 3ac4a49a98
1 changed files with 7 additions and 1 deletions
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8
Ryujinx.Graphics/Graphics3d/NvGpuEngine3d.cs
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@ -419,7 +419,7 @@ namespace Ryujinx.Graphics.Graphics3d
// Once geometry shaders are fixed it should be equal to GalPipelineState.RenderTargetCount when shader loaded, otherwise equal to 1
State.ScissorTestCount = 1;
for (int Index = 0; Index < GalPipelineState.RenderTargetsCount; Index++)
for (int Index = 0; Index < State.ScissorTestCount; Index++)
{
State.ScissorTestEnabled[Index] = ReadRegisterBool(NvGpuEngine3dReg.ScissorEnable + Index * 4);
@ -438,6 +438,12 @@ namespace Ryujinx.Graphics.Graphics3d
if ((int)State.FlipY == -1)
{
State.ScissorTestY[Index] = ViewportHeight - State.ScissorTestY[Index] - State.ScissorTestHeight[Index];
// Handle negative viewpont coordinate
if (State.ScissorTestY[Index] < 0)
{
State.ScissorTestY[Index] = 0;
}
}
}
}